Finding the Fourth Proportional to 851,574.87, 1,175,163.93 and 464,389.07
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Solution
The fourth proportional to 851,574.87, 1,175,163.93 and 464,389.07 is: 640,851.79
Step by Step Solution
- Step 1: Write the proportion equation
851,574.87 : 1,175,163.93 = 464,389.07 : x - Step 2: Convert to fraction form
851,574.87/1,175,163.93 = 464,389.07/x - Step 3: Cross multiply
851,574.87x = 1,175,163.93 × 464,389.07 - Step 4: Simplify right side
851,574.87x = 545,733,278,674.43 - Step 5: Solve for x
x = 545,733,278,674.43/851,574.87 - Step 6: Final answer
x = 640,851.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.